diff --git a/CMakeLists.txt b/CMakeLists.txt
index 69c1de43f5..8ffc6363b9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -123,7 +123,7 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
   else ()
     set (CXX17_FLAGS "-std=c++17")
   endif ()
-  set (WARN_FLAGS "-Wall -Wextra")
+  set (WARN_FLAGS "-Wall -Wextra -Wno-unused-result")
   if (STOP_BUILD_ON_WARNING)
     set (WARN_FLAGS "${WARN_FLAGS} -Werror")
   endif ()
@@ -133,7 +133,7 @@ elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
   else ()
     set (CXX17_FLAGS "-std=c++17")
   endif ()
-  set (WARN_FLAGS "-Wall -Wextra")
+  set (WARN_FLAGS "-Wall -Wextra -Wno-unused-result")
   if (STOP_BUILD_ON_WARNING)
     set (WARN_FLAGS "${WARN_FLAGS} -Werror")
   endif ()